ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,512, issued on May 26, was assigned to LG ENERGY SOLUTION LTD. (Seoul, South Korea).

"Low-voltage defect inspection method of lithium secondary battery and manufacturing method of lithium secondary battery" was invented by In Young Cha (Daejeon, South Korea), Nak Gi Sung (Daejeon, South Korea) and Joon Sup Kang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inspection method for a low-voltage defect of a lithium secondary battery includes performing a microcurrent charging/discharging process having N charging/discharging sections, N being an integer of 2 or more, and for each charging/discharging section, applying a microcur...